classification of material meaning in English

物品的分类与管理

Earthworks . classification of materials for use in the construction of embankments and capping layers of road infrastructures
土方工程.路基结构和岩层用材料的分类
Safety against fire . building . reaction to fire tests . determination of the durability of the fire reaction classification of materials . tests
防火安全.建材.材料着火试验.按材料着火反应等级测定耐久性.试验
They agree on specifications and criteria to be applied consistently in the classification of materials , in the manufacture and supply of products , in testing and analysis , in terminology and in the provision of services
他们同意把这些规范和标准不断的应用于不同类别；的产品中，如在制造业和产品的供应方面，在测试和分析方面，在术语和服务产业方面。